Select a site to retrieve data and station information.
76th - 90th
25th - 75th
10th - 24th
The colored dots on this map depict streamflow conditions as a
percentile, which is computed from the period of record for the
current day of the year. Only stations with at least 30 years of
record are used.
The gray circles indicate other stations that were not ranked in
percentiles either because they have fewer than 30 years of record or
because they report parameters other than streamflow. Some stations,
for example, measure stage only.
The data on these pages is made possible with the cooperation from
Federal, Tribal, State, and local agencies. A list of our current
cooperators is available online.
Real-time data typically are recorded at 15-60 minute
intervals, stored onsite, and then transmitted to the Nevada Water
Science Center every 4 hours. Recording and transmission times may be
more frequent during critical events. Data from real-time sites are
relayed to the Nevada District Office via satellite; telephone and
radio are also available at some sites for viewing data within minutes
of arrival. All real-time data are provisional and subject to revision.